Circuitron 800-5201 DT-1 Grade Crossing Detection Unit Trees - Palm Includes CF-1 circuit board

Includes CF-1 circuit board

This well mannered coupe has a little bit of a wild side

4 in3 (530 cm3)

Use to create new or existing terrain

Circuitron 800-5201 DT-1 Grade Crossing Detection Unit Trees - Palm Includes CF-1 circuit boardCircuitron 800 5201 DT 1 Grade Crossing Detection Unit The Circuitron DT 1 is a bi directional detection circuit designed for DC track power that provides an output whenever one of its Opto Sensors is covered by a piece of rolling stock. Absolutely no modifications to the rolling stock are necessary. 4 Opto Sensors are provided, 2 of which are used for each direction of travel. The two Opto Sensors for each direction are wired in series, and a single